Multicore processor and onboard electronic control unit using same
First Claim
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1. A multicore processor comprising:
- a plurality of cores, wherein;
the plurality of cores are configured to each operate at an operation clock, each operation clock having a frequency varying cyclically, wherein periods of the cyclic variations are the same; and
a variation phase of the frequency of the operation clock of each core of the plurality of cores is shifted by a predetermined amount, wherein the predetermined amount is the same among the plurality of cores.
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Abstract
A multicore processor according to the invention has a plurality of cores. The plurality of cores are configured to operate at an operation clock with a frequency varying periodically with the same period, and a variation phase of a frequency of the operation clock of each core of the plurality of cores is shifted by a predetermined amount among the plurality of cores.
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Citations
12 Claims
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1. A multicore processor comprising:
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a plurality of cores, wherein; the plurality of cores are configured to each operate at an operation clock, each operation clock having a frequency varying cyclically, wherein periods of the cyclic variations are the same; and a variation phase of the frequency of the operation clock of each core of the plurality of cores is shifted by a predetermined amount, wherein the predetermined amount is the same among the plurality of cores. - View Dependent Claims (2, 3, 4, 5, 7, 8, 9, 10, 11, 12)
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6. An onboard electronic control unit comprising:
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a multicore processor having a plurality of cores, wherein the plurality of cores are each configured to operate at an operation clock, each operation clock having a frequency varying cyclically, wherein periods of the cyclic variations are the same, and a variation phase of the frequency of the operation clock of each core of the plurality of cores is shifted by a predetermined amount, wherein the predetermined amount is the same among the plurality of cores.
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Specification